/**
 * @license Highcharts Gantt JS v8.0.0 (2019-12-10)
 *
 * Tree Grid
 *
 * (c) 2016-2019 Jon Arild Nygard
 *
 * License: www.highcharts.com/license
 */
"use strict";
(function (factory) {
  if (typeof module === "object" && module.exports) {
    factory["default"] = factory;
    module.exports = factory;
  } else if (typeof define === "function" && define.amd) {
    define("highcharts/modules/treegrid", ["highcharts"], function (
      Highcharts
    ) {
      factory(Highcharts);
      factory.Highcharts = Highcharts;
      return factory;
    });
  } else {
    factory(typeof Highcharts !== "undefined" ? Highcharts : undefined);
  }
})(function (Highcharts) {
  var _modules = Highcharts ? Highcharts._modules : {};
  function _registerModule(obj, path, args, fn) {
    if (!obj.hasOwnProperty(path)) {
      obj[path] = fn.apply(null, args);
    }
  }
  _registerModule(
    _modules,
    "parts-gantt/GridAxis.js",
    [_modules["parts/Globals.js"], _modules["parts/Utilities.js"]],
    function (H, U) {
      /* *
       *
       *  (c) 2016 Highsoft AS
       *  Authors: Lars A. V. Cabrera
       *
       *  License: www.highcharts.com/license
       *
       *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
       *
       * */
      var defined = U.defined,
        erase = U.erase,
        isArray = U.isArray,
        isNumber = U.isNumber,
        pick = U.pick,
        wrap = U.wrap;
      var addEvent = H.addEvent,
        argsToArray = function (args) {
          return Array.prototype.slice.call(args, 1);
        },
        dateFormat = H.dateFormat,
        isObject = function (x) {
          // Always use strict mode
          return U.isObject(x, true);
        },
        merge = H.merge,
        Chart = H.Chart,
        Axis = H.Axis,
        Tick = H.Tick;
      var applyGridOptions = function applyGridOptions(axis) {
        var options = axis.options;
        // Center-align by default
        if (!options.labels) {
          options.labels = {};
        }
        options.labels.align = pick(options.labels.align, "center");
        // @todo: Check against tickLabelPlacement between/on etc
        /* Prevents adding the last tick label if the axis is not a category
               axis.
               Since numeric labels are normally placed at starts and ends of a
               range of value, and this module makes the label point at the value,
               an "extra" label would appear. */
        if (!axis.categories) {
          options.showLastLabel = false;
        }
        // Prevents rotation of labels when squished, as rotating them would not
        // help.
        axis.labelRotation = 0;
        options.labels.rotation = 0;
      };
      /**
       * Set grid options for the axis labels. Requires Highcharts Gantt.
       *
       * @since     6.2.0
       * @product   gantt
       * @apioption xAxis.grid
       */
      /**
       * Enable grid on the axis labels. Defaults to true for Gantt charts.
       *
       * @type      {boolean}
       * @default   true
       * @since     6.2.0
       * @product   gantt
       * @apioption xAxis.grid.enabled
       */
      /**
       * Set specific options for each column (or row for horizontal axes) in the
       * grid. Each extra column/row is its own axis, and the axis options can be set
       * here.
       *
       * @sample gantt/demo/left-axis-table
       *         Left axis as a table
       *
       * @type      {Array<Highcharts.XAxisOptions>}
       * @apioption xAxis.grid.columns
       */
      /**
       * Set border color for the label grid lines.
       *
       * @type      {Highcharts.ColorString}
       * @apioption xAxis.grid.borderColor
       */
      /**
       * Set border width of the label grid lines.
       *
       * @type      {number}
       * @default   1
       * @apioption xAxis.grid.borderWidth
       */
      /**
       * Set cell height for grid axis labels. By default this is calculated from font
       * size. This option only applies to horizontal axes.
       *
       * @sample gantt/grid-axis/cellheight
       *         Gant chart with custom cell height
       * @type      {number}
       * @apioption xAxis.grid.cellHeight
       */
      // Enum for which side the axis is on.
      // Maps to axis.side
      var axisSide = {
        top: 0,
        right: 1,
        bottom: 2,
        left: 3,
        0: "top",
        1: "right",
        2: "bottom",
        3: "left",
      };
      /**
       * Checks if an axis is the outer axis in its dimension. Since
       * axes are placed outwards in order, the axis with the highest
       * index is the outermost axis.
       *
       * Example: If there are multiple x-axes at the top of the chart,
       * this function returns true if the axis supplied is the last
       * of the x-axes.
       *
       * @private
       * @function Highcharts.Axis#isOuterAxis
       *
       * @return {boolean}
       *         true if the axis is the outermost axis in its dimension; false if not
       */
      Axis.prototype.isOuterAxis = function () {
        var axis = this,
          chart = axis.chart,
          columnIndex = axis.columnIndex,
          columns =
            (axis.linkedParent && axis.linkedParent.columns) || axis.columns,
          parentAxis = columnIndex ? axis.linkedParent : axis,
          thisIndex = -1,
          lastIndex = 0;
        chart[axis.coll].forEach(function (otherAxis, index) {
          if (otherAxis.side === axis.side && !otherAxis.options.isInternal) {
            lastIndex = index;
            if (otherAxis === parentAxis) {
              // Get the index of the axis in question
              thisIndex = index;
            }
          }
        });
        return (
          lastIndex === thisIndex &&
          (isNumber(columnIndex) ? columns.length === columnIndex : true)
        );
      };
      /**
       * Get the largest label width and height.
       *
       * @private
       * @function Highcharts.Axis#getMaxLabelDimensions
       *
       * @param {Highcharts.Dictionary<Highcharts.Tick>} ticks
       *        All the ticks on one axis.
       *
       * @param {Array<number|string>} tickPositions
       *        All the tick positions on one axis.
       *
       * @return {Highcharts.SizeObject}
       *         object containing the properties height and width.
       */
      Axis.prototype.getMaxLabelDimensions = function (ticks, tickPositions) {
        var dimensions = {
          width: 0,
          height: 0,
        };
        tickPositions.forEach(function (pos) {
          var tick = ticks[pos],
            tickHeight = 0,
            tickWidth = 0,
            label;
          if (isObject(tick)) {
            label = isObject(tick.label) ? tick.label : {};
            // Find width and height of tick
            tickHeight = label.getBBox ? label.getBBox().height : 0;
            if (label.textStr && !isNumber(label.textPxLength)) {
              label.textPxLength = label.getBBox().width;
            }
            tickWidth = isNumber(label.textPxLength)
              ? // Math.round ensures crisp lines
                Math.round(label.textPxLength)
              : 0;
            // Update the result if width and/or height are larger
            dimensions.height = Math.max(tickHeight, dimensions.height);
            dimensions.width = Math.max(tickWidth, dimensions.width);
          }
        });
        return dimensions;
      };
      // Add custom date formats
      H.dateFormats.W = function (timestamp) {
        var d = new Date(timestamp),
          yearStart,
          weekNo;
        d.setHours(0, 0, 0, 0);
        d.setDate(d.getDate() - (d.getDay() || 7));
        yearStart = new Date(d.getFullYear(), 0, 1);
        weekNo = Math.ceil(((d - yearStart) / 86400000 + 1) / 7);
        return weekNo;
      };
      // First letter of the day of the week, e.g. 'M' for 'Monday'.
      H.dateFormats.E = function (timestamp) {
        return dateFormat("%a", timestamp, true).charAt(0);
      };
      /* eslint-disable no-invalid-this, valid-jsdoc */
      addEvent(
        Tick,
        "afterGetLabelPosition",
        /**
         * Center tick labels in cells.
         *
         * @private
         */
        function (e) {
          var tick = this,
            label = tick.label,
            axis = tick.axis,
            reversed = axis.reversed,
            chart = axis.chart,
            options = axis.options,
            gridOptions = options && isObject(options.grid) ? options.grid : {},
            labelOpts = axis.options.labels,
            align = labelOpts.align,
            // verticalAlign is currently not supported for axis.labels.
            verticalAlign = "middle", // labelOpts.verticalAlign,
            side = axisSide[axis.side],
            tickmarkOffset = e.tickmarkOffset,
            tickPositions = axis.tickPositions,
            tickPos = tick.pos - tickmarkOffset,
            nextTickPos = isNumber(tickPositions[e.index + 1])
              ? tickPositions[e.index + 1] - tickmarkOffset
              : axis.max + tickmarkOffset,
            tickSize = axis.tickSize("tick", true),
            tickWidth = isArray(tickSize) ? tickSize[0] : 0,
            crispCorr = tickSize && tickSize[1] / 2,
            labelHeight,
            lblMetrics,
            lines,
            bottom,
            top,
            left,
            right;
          // Only center tick labels in grid axes
          if (gridOptions.enabled === true) {
            // Calculate top and bottom positions of the cell.
            if (side === "top") {
              bottom = axis.top + axis.offset;
              top = bottom - tickWidth;
            } else if (side === "bottom") {
              top = chart.chartHeight - axis.bottom + axis.offset;
              bottom = top + tickWidth;
            } else {
              bottom =
                axis.top +
                axis.len -
                axis.translate(reversed ? nextTickPos : tickPos);
              top =
                axis.top +
                axis.len -
                axis.translate(reversed ? tickPos : nextTickPos);
            }
            // Calculate left and right positions of the cell.
            if (side === "right") {
              left = chart.chartWidth - axis.right + axis.offset;
              right = left + tickWidth;
            } else if (side === "left") {
              right = axis.left + axis.offset;
              left = right - tickWidth;
            } else {
              left =
                Math.round(
                  axis.left + axis.translate(reversed ? nextTickPos : tickPos)
                ) - crispCorr;
              right =
                Math.round(
                  axis.left + axis.translate(reversed ? tickPos : nextTickPos)
                ) - crispCorr;
            }
            tick.slotWidth = right - left;
            // Calculate the positioning of the label based on alignment.
            e.pos.x =
              align === "left"
                ? left
                : align === "right"
                ? right
                : left + (right - left) / 2; // default to center
            e.pos.y =
              verticalAlign === "top"
                ? top
                : verticalAlign === "bottom"
                ? bottom
                : top + (bottom - top) / 2; // default to middle
            lblMetrics = chart.renderer.fontMetrics(
              labelOpts.style.fontSize,
              label.element
            );
            labelHeight = label.getBBox().height;
            // Adjustment to y position to align the label correctly.
            // Would be better to have a setter or similar for this.
            if (!labelOpts.useHTML) {
              lines = Math.round(labelHeight / lblMetrics.h);
              e.pos.y +=
                // Center the label
                // TODO: why does this actually center the label?
                (lblMetrics.b - (lblMetrics.h - lblMetrics.f)) / 2 +
                // Adjust for height of additional lines.
                -(((lines - 1) * lblMetrics.h) / 2);
            } else {
              e.pos.y +=
                // Readjust yCorr in htmlUpdateTransform
                lblMetrics.b +
                // Adjust for height of html label
                -(labelHeight / 2);
            }
            e.pos.x += (axis.horiz && labelOpts.x) || 0;
          }
        }
      );
      // Draw vertical axis ticks extra long to create cell floors and roofs.
      // Overrides the tickLength for vertical axes.
      addEvent(Axis, "afterTickSize", function (e) {
        var _a = this,
          defaultLeftAxisOptions = _a.defaultLeftAxisOptions,
          horiz = _a.horiz,
          _b = _a.options.grid,
          gridOptions = _b === void 0 ? {} : _b;
        var dimensions = this.maxLabelDimensions;
        if (gridOptions.enabled) {
          var labelPadding = Math.abs(defaultLeftAxisOptions.labels.x) * 2;
          var distance = horiz
            ? gridOptions.cellHeight || labelPadding + dimensions.height
            : labelPadding + dimensions.width;
          if (isArray(e.tickSize)) {
            e.tickSize[0] = distance;
          } else {
            e.tickSize = [distance];
          }
        }
      });
      addEvent(Axis, "afterGetTitlePosition", function (e) {
        var axis = this,
          options = axis.options,
          gridOptions = options && isObject(options.grid) ? options.grid : {};
        if (gridOptions.enabled === true) {
          // compute anchor points for each of the title align options
          var title = axis.axisTitle,
            titleWidth = title && title.getBBox().width,
            horiz = axis.horiz,
            axisLeft = axis.left,
            axisTop = axis.top,
            axisWidth = axis.width,
            axisHeight = axis.height,
            axisTitleOptions = options.title,
            opposite = axis.opposite,
            offset = axis.offset,
            tickSize = axis.tickSize() || [0],
            xOption = axisTitleOptions.x || 0,
            yOption = axisTitleOptions.y || 0,
            titleMargin = pick(axisTitleOptions.margin, horiz ? 5 : 10),
            titleFontSize = axis.chart.renderer.fontMetrics(
              axisTitleOptions.style && axisTitleOptions.style.fontSize,
              title
            ).f,
            // TODO account for alignment
            // the position in the perpendicular direction of the axis
            offAxis =
              (horiz ? axisTop + axisHeight : axisLeft) +
              (horiz ? 1 : -1) * // horizontal axis reverses the margin
                (opposite ? -1 : 1) * // so does opposite axes
                (tickSize[0] / 2) +
              (axis.side === axisSide.bottom ? titleFontSize : 0);
          e.titlePosition.x = horiz
            ? axisLeft - titleWidth / 2 - titleMargin + xOption
            : offAxis + (opposite ? axisWidth : 0) + offset + xOption;
          e.titlePosition.y = horiz
            ? offAxis -
              (opposite ? axisHeight : 0) +
              (opposite ? titleFontSize : -titleFontSize) / 2 +
              offset +
              yOption
            : axisTop - titleMargin + yOption;
        }
      });
      // Avoid altering tickInterval when reserving space.
      wrap(Axis.prototype, "unsquish", function (proceed) {
        var axis = this,
          options = axis.options,
          gridOptions = options && isObject(options.grid) ? options.grid : {};
        if (gridOptions.enabled === true && this.categories) {
          return this.tickInterval;
        }
        return proceed.apply(this, argsToArray(arguments));
      });
      addEvent(
        Axis,
        "afterSetOptions",
        /**
         * Creates a left and right wall on horizontal axes:
         *
         * - Places leftmost tick at the start of the axis, to create a left wall
         *
         * - Ensures that the rightmost tick is at the end of the axis, to create a
         *   right wall.
         *
         * @private
         * @function
         */
        function (e) {
          var options = this.options,
            userOptions = e.userOptions,
            gridAxisOptions,
            gridOptions = options && isObject(options.grid) ? options.grid : {};
          if (gridOptions.enabled === true) {
            // Merge the user options into default grid axis options so that
            // when a user option is set, it takes presedence.
            gridAxisOptions = merge(
              true,
              {
                className:
                  "highcharts-grid-axis " + (userOptions.className || ""),
                dateTimeLabelFormats: {
                  hour: {
                    list: ["%H:%M", "%H"],
                  },
                  day: {
                    list: ["%A, %e. %B", "%a, %e. %b", "%E"],
                  },
                  week: {
                    list: ["Week %W", "W%W"],
                  },
                  month: {
                    list: ["%B", "%b", "%o"],
                  },
                },
                grid: {
                  borderWidth: 1,
                },
                labels: {
                  padding: 2,
                  style: {
                    fontSize: "13px",
                  },
                },
                margin: 0,
                title: {
                  text: null,
                  reserveSpace: false,
                  rotation: 0,
                },
                // In a grid axis, only allow one unit of certain types, for
                // example we shouln't have one grid cell spanning two days.
                units: [
                  ["millisecond", [1, 10, 100]],
                  ["second", [1, 10]],
                  ["minute", [1, 5, 15]],
                  ["hour", [1, 6]],
                  ["day", [1]],
                  ["week", [1]],
                  ["month", [1]],
                  ["year", null],
                ],
              },
              userOptions
            );
            // X-axis specific options
            if (this.coll === "xAxis") {
              // For linked axes, tickPixelInterval is used only if the
              // tickPositioner below doesn't run or returns undefined (like
              // multiple years)
              if (
                defined(userOptions.linkedTo) &&
                !defined(userOptions.tickPixelInterval)
              ) {
                gridAxisOptions.tickPixelInterval = 350;
              }
              // For the secondary grid axis, use the primary axis' tick
              // intervals and return ticks one level higher.
              if (
                // Check for tick pixel interval in options
                !defined(userOptions.tickPixelInterval) &&
                // Only for linked axes
                defined(userOptions.linkedTo) &&
                !defined(userOptions.tickPositioner) &&
                !defined(userOptions.tickInterval)
              ) {
                gridAxisOptions.tickPositioner = function (min, max) {
                  var parentInfo =
                    this.linkedParent &&
                    this.linkedParent.tickPositions &&
                    this.linkedParent.tickPositions.info;
                  if (parentInfo) {
                    var unitIdx,
                      count,
                      unitName,
                      i,
                      units = gridAxisOptions.units,
                      unitRange;
                    for (i = 0; i < units.length; i++) {
                      if (units[i][0] === parentInfo.unitName) {
                        unitIdx = i;
                        break;
                      }
                    }
                    // Get the first allowed count on the next unit.
                    if (units[unitIdx + 1]) {
                      unitName = units[unitIdx + 1][0];
                      count = (units[unitIdx + 1][1] || [1])[0];
                      // In case the base X axis shows years, make the
                      // secondary axis show ten times the years (#11427)
                    } else if (parentInfo.unitName === "year") {
                      unitName = "year";
                      count = parentInfo.count * 10;
                    }
                    unitRange = H.timeUnits[unitName];
                    this.tickInterval = unitRange * count;
                    return this.getTimeTicks(
                      {
                        unitRange: unitRange,
                        count: count,
                        unitName: unitName,
                      },
                      min,
                      max,
                      this.options.startOfWeek
                    );
                  }
                };
              }
            }
            // Now merge the combined options into the axis options
            merge(true, this.options, gridAxisOptions);
            if (this.horiz) {
              /*               _________________________
                       Make this:    ___|_____|_____|_____|__|
                                     ^                     ^
                                     _________________________
                       Into this:    |_____|_____|_____|_____|
                                        ^                 ^    */
              options.minPadding = pick(userOptions.minPadding, 0);
              options.maxPadding = pick(userOptions.maxPadding, 0);
            }
            // If borderWidth is set, then use its value for tick and line
            // width.
            if (isNumber(options.grid.borderWidth)) {
              options.tickWidth = options.lineWidth = gridOptions.borderWidth;
            }
          }
        }
      );
      addEvent(Axis, "afterSetAxisTranslation", function () {
        var axis = this,
          options = axis.options,
          gridOptions = options && isObject(options.grid) ? options.grid : {},
          tickInfo = this.tickPositions && this.tickPositions.info,
          userLabels = this.userOptions.labels || {};
        if (this.horiz) {
          if (gridOptions.enabled === true) {
            axis.series.forEach(function (series) {
              series.options.pointRange = 0;
            });
          }
          // Lower level time ticks, like hours or minutes, represent points
          // in time and not ranges. These should be aligned left in the grid
          // cell by default. The same applies to years of higher order.
          if (
            tickInfo &&
            (options.dateTimeLabelFormats[tickInfo.unitName].range === false ||
              tickInfo.count > 1) && // years
            !defined(userLabels.align)
          ) {
            options.labels.align = "left";
            if (!defined(userLabels.x)) {
              options.labels.x = 3;
            }
          }
        }
      });
      // @todo Does this function do what the drawing says? Seems to affect ticks and
      //       not the labels directly?
      addEvent(
        Axis,
        "trimTicks",
        /**
         * Makes tick labels which are usually ignored in a linked axis displayed if
         * they are within range of linkedParent.min.
         * ```
         *                        _____________________________
         *                        |   |       |       |       |
         * Make this:             |   |   2   |   3   |   4   |
         *                        |___|_______|_______|_______|
         *                          ^
         *                        _____________________________
         *                        |   |       |       |       |
         * Into this:             | 1 |   2   |   3   |   4   |
         *                        |___|_______|_______|_______|
         *                          ^
         * ```
         *
         * @private
         */
        function () {
          var axis = this,
            options = axis.options,
            gridOptions = options && isObject(options.grid) ? options.grid : {},
            categoryAxis = axis.categories,
            tickPositions = axis.tickPositions,
            firstPos = tickPositions[0],
            lastPos = tickPositions[tickPositions.length - 1],
            linkedMin = axis.linkedParent && axis.linkedParent.min,
            linkedMax = axis.linkedParent && axis.linkedParent.max,
            min = linkedMin || axis.min,
            max = linkedMax || axis.max,
            tickInterval = axis.tickInterval,
            endMoreThanMin = firstPos < min && firstPos + tickInterval > min,
            startLessThanMax = lastPos > max && lastPos - tickInterval < max;
          if (
            gridOptions.enabled === true &&
            !categoryAxis &&
            (axis.horiz || axis.isLinked)
          ) {
            if (endMoreThanMin && !options.startOnTick) {
              tickPositions[0] = min;
            }
            if (startLessThanMax && !options.endOnTick) {
              tickPositions[tickPositions.length - 1] = max;
            }
          }
        }
      );
      addEvent(
        Axis,
        "afterRender",
        /**
         * Draw an extra line on the far side of the outermost axis,
         * creating floor/roof/wall of a grid. And some padding.
         * ```
         * Make this:
         *             (axis.min) __________________________ (axis.max)
         *                           |    |    |    |    |
         * Into this:
         *             (axis.min) __________________________ (axis.max)
         *                        ___|____|____|____|____|__
         * ```
         *
         * @private
         * @function
         *
         * @param {Function} proceed
         *        the original function
         */
        function () {
          var axis = this,
            options = axis.options,
            gridOptions = options && isObject(options.grid) ? options.grid : {},
            yStartIndex,
            yEndIndex,
            xStartIndex,
            xEndIndex,
            renderer = axis.chart.renderer;
          if (gridOptions.enabled === true) {
            // @todo acutual label padding (top, bottom, left, right)
            axis.maxLabelDimensions = axis.getMaxLabelDimensions(
              axis.ticks,
              axis.tickPositions
            );
            // Remove right wall before rendering if updating
            if (axis.rightWall) {
              axis.rightWall.destroy();
            }
            /*
                   Draw an extra axis line on outer axes
                               >
                   Make this:    |______|______|______|___

                               > _________________________
                   Into this:    |______|______|______|__|
                                                           */
            if (axis.isOuterAxis() && axis.axisLine) {
              var lineWidth = options.lineWidth;
              if (lineWidth) {
                var linePath = axis.getLinePath(lineWidth);
                xStartIndex = linePath.indexOf("M") + 1;
                xEndIndex = linePath.indexOf("L") + 1;
                yStartIndex = linePath.indexOf("M") + 2;
                yEndIndex = linePath.indexOf("L") + 2;
                // Negate distance if top or left axis
                // Subtract 1px to draw the line at the end of the tick
                var distance =
                  (axis.tickSize("tick")[0] - 1) *
                  (axis.side === axisSide.top || axis.side === axisSide.left
                    ? -1
                    : 1);
                // If axis is horizontal, reposition line path vertically
                if (axis.horiz) {
                  linePath[yStartIndex] = linePath[yStartIndex] + distance;
                  linePath[yEndIndex] = linePath[yEndIndex] + distance;
                } else {
                  // If axis is vertical, reposition line path
                  // horizontally
                  linePath[xStartIndex] = linePath[xStartIndex] + distance;
                  linePath[xEndIndex] = linePath[xEndIndex] + distance;
                }
                if (!axis.axisLineExtra) {
                  axis.axisLineExtra = renderer
                    .path(linePath)
                    .attr({
                      zIndex: 7,
                    })
                    .addClass("highcharts-axis-line")
                    .add(axis.axisGroup);
                  if (!renderer.styledMode) {
                    axis.axisLineExtra.attr({
                      stroke: options.lineColor,
                      "stroke-width": lineWidth,
                    });
                  }
                } else {
                  axis.axisLineExtra.animate({
                    d: linePath,
                  });
                }
                // show or hide the line depending on options.showEmpty
                axis.axisLine[axis.showAxis ? "show" : "hide"](true);
              }
            }
            (axis.columns || []).forEach(function (column) {
              column.render();
            });
          }
        }
      );
      // Handle columns and getOffset
      var onGridAxisAfterGetOffset = function onGridAxisAfterGetOffset() {
        (this.columns || []).forEach(function (column) {
          column.getOffset();
        });
      };
      var onGridAxisAfterInit = function onGridAxisAfterInit() {
        var axis = this,
          chart = axis.chart,
          userOptions = axis.userOptions,
          options = axis.options,
          gridOptions = options && isObject(options.grid) ? options.grid : {};
        if (gridOptions.enabled) {
          applyGridOptions(axis);
          // TODO: wrap the axis instead
          wrap(axis, "labelFormatter", function (proceed) {
            var axis = this.axis,
              tickPos = axis.tickPositions,
              value = this.value,
              series = (axis.isLinked ? axis.linkedParent : axis).series[0],
              isFirst = value === tickPos[0],
              isLast = value === tickPos[tickPos.length - 1],
              point =
                series &&
                H.find(series.options.data, function (p) {
                  return p[axis.isXAxis ? "x" : "y"] === value;
                });
            // Make additional properties available for the
            // formatter
            this.isFirst = isFirst;
            this.isLast = isLast;
            this.point = point;
            // Call original labelFormatter
            return proceed.call(this);
          });
        }
        if (gridOptions.columns) {
          var columns = (axis.columns = []),
            columnIndex = (axis.columnIndex = 0);
          // Handle columns, each column is a grid axis
          while (++columnIndex < gridOptions.columns.length) {
            var columnOptions = merge(
              userOptions,
              gridOptions.columns[gridOptions.columns.length - columnIndex - 1],
              {
                linkedTo: 0,
                // Force to behave like category axis
                type: "category",
              }
            );
            delete columnOptions.grid.columns; // Prevent recursion
            var column = new Axis(axis.chart, columnOptions, true);
            column.isColumn = true;
            column.columnIndex = columnIndex;
            // Remove column axis from chart axes array, and place it
            // in the columns array.
            erase(chart.axes, column);
            erase(chart[axis.coll], column);
            columns.push(column);
          }
        }
      };
      var onGridAxisAfterSetChartSize = function onGridAxisAfterSetChartSize() {
        this.axes.forEach(function (axis) {
          (axis.columns || []).forEach(function (column) {
            column.setAxisSize();
            column.setAxisTranslation();
          });
        });
      };
      // Handle columns and setScale
      var onGridAxisAfterSetScale = function onGridAxisAfterSetScale() {
        (this.columns || []).forEach(function (column) {
          column.setScale();
        });
      };
      var onGridAxisDestroy = function onGridAxisDestroy(e) {
        (this.columns || []).forEach(function (column) {
          column.destroy(e.keepEvents);
        });
      };
      // Wraps axis init to draw cell walls on vertical axes.
      var onGridAxisInit = function onGridAxisInit(e) {
        var userOptions = e.userOptions,
          gridOptions =
            userOptions && isObject(userOptions.grid) ? userOptions.grid : {};
        if (gridOptions.enabled && defined(gridOptions.borderColor)) {
          userOptions.tickColor = userOptions.lineColor =
            gridOptions.borderColor;
        }
      };
      var onGridAxisAfterSetOptions = function onGridAxisAfterSetOptions(e) {
        var axis = this,
          userOptions = e.userOptions,
          gridOptions =
            userOptions && isObject(userOptions.grid) ? userOptions.grid : {},
          columns = gridOptions.columns;
        // Add column options to the parent axis.
        // Children has their column options set on init in onGridAxisAfterInit.
        if (gridOptions.enabled && columns) {
          merge(true, axis.options, columns[columns.length - 1]);
        }
      };
      var axisEvents = {
        afterGetOffset: onGridAxisAfterGetOffset,
        afterInit: onGridAxisAfterInit,
        afterSetOptions: onGridAxisAfterSetOptions,
        afterSetScale: onGridAxisAfterSetScale,
        destroy: onGridAxisDestroy,
        init: onGridAxisInit,
      };
      // Add event handlers
      Object.keys(axisEvents).forEach(function (event) {
        addEvent(Axis, event, axisEvents[event]);
      });
      addEvent(Chart, "afterSetChartSize", onGridAxisAfterSetChartSize);
    }
  );
  _registerModule(
    _modules,
    "parts-gantt/Tree.js",
    [_modules["parts/Utilities.js"]],
    function (U) {
      /* *
       *
       *  (c) 2016-2019 Highsoft AS
       *
       *  Authors: Jon Arild Nygard
       *
       *  License: www.highcharts.com/license
       *
       *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
       *
       * */
      /* eslint no-console: 0 */
      var extend = U.extend,
        isNumber = U.isNumber,
        pick = U.pick;
      var isFunction = function (x) {
        return typeof x === "function";
      };
      /**
       * Creates an object map from parent id to childrens index.
       *
       * @private
       * @function Highcharts.Tree#getListOfParents
       *
       * @param {Array<*>} data
       *        List of points set in options. `Array.parent` is parent id of point.
       *
       * @param {Array<string>} ids
       *        List of all point ids.
       *
       * @return {Highcharts.Dictionary<Array<*>>}
       *         Map from parent id to children index in data
       */
      var getListOfParents = function (data, ids) {
        var listOfParents = data.reduce(function (prev, curr) {
            var parent = pick(curr.parent, "");
            if (typeof prev[parent] === "undefined") {
              prev[parent] = [];
            }
            prev[parent].push(curr);
            return prev;
          }, {}),
          parents = Object.keys(listOfParents);
        // If parent does not exist, hoist parent to root of tree.
        parents.forEach(function (parent, list) {
          var children = listOfParents[parent];
          if (parent !== "" && ids.indexOf(parent) === -1) {
            children.forEach(function (child) {
              list[""].push(child);
            });
            delete list[parent];
          }
        });
        return listOfParents;
      };
      var getNode = function (
        id,
        parent,
        level,
        data,
        mapOfIdToChildren,
        options
      ) {
        var descendants = 0,
          height = 0,
          after = options && options.after,
          before = options && options.before,
          node = {
            data: data,
            depth: level - 1,
            id: id,
            level: level,
            parent: parent,
          },
          start,
          end,
          children;
        // Allow custom logic before the children has been created.
        if (isFunction(before)) {
          before(node, options);
        }
        // Call getNode recursively on the children. Calulate the height of the
        // node, and the number of descendants.
        children = (mapOfIdToChildren[id] || []).map(function (child) {
          var node = getNode(
              child.id,
              id,
              level + 1,
              child,
              mapOfIdToChildren,
              options
            ),
            childStart = child.start,
            childEnd = child.milestone === true ? childStart : child.end;
          // Start should be the lowest child.start.
          start = !isNumber(start) || childStart < start ? childStart : start;
          // End should be the largest child.end.
          // If child is milestone, then use start as end.
          end = !isNumber(end) || childEnd > end ? childEnd : end;
          descendants = descendants + 1 + node.descendants;
          height = Math.max(node.height + 1, height);
          return node;
        });
        // Calculate start and end for point if it is not already explicitly set.
        if (data) {
          data.start = pick(data.start, start);
          data.end = pick(data.end, end);
        }
        extend(node, {
          children: children,
          descendants: descendants,
          height: height,
        });
        // Allow custom logic after the children has been created.
        if (isFunction(after)) {
          after(node, options);
        }
        return node;
      };
      var getTree = function (data, options) {
        var ids = data.map(function (d) {
            return d.id;
          }),
          mapOfIdToChildren = getListOfParents(data, ids);
        return getNode("", null, 1, null, mapOfIdToChildren, options);
      };
      var Tree = {
        getListOfParents: getListOfParents,
        getNode: getNode,
        getTree: getTree,
      };

      return Tree;
    }
  );
  _registerModule(
    _modules,
    "mixins/tree-series.js",
    [_modules["parts/Globals.js"], _modules["parts/Utilities.js"]],
    function (H, U) {
      /* *
       *
       *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
       *
       * */
      var extend = U.extend,
        isArray = U.isArray,
        isNumber = U.isNumber,
        isObject = U.isObject,
        pick = U.pick;
      var isBoolean = function (x) {
          return typeof x === "boolean";
        },
        isFn = function (x) {
          return typeof x === "function";
        },
        merge = H.merge;
      /* eslint-disable valid-jsdoc */
      /**
       * @todo Combine buildTree and buildNode with setTreeValues
       * @todo Remove logic from Treemap and make it utilize this mixin.
       * @private
       */
      var setTreeValues = function setTreeValues(tree, options) {
        var before = options.before,
          idRoot = options.idRoot,
          mapIdToNode = options.mapIdToNode,
          nodeRoot = mapIdToNode[idRoot],
          levelIsConstant = isBoolean(options.levelIsConstant)
            ? options.levelIsConstant
            : true,
          points = options.points,
          point = points[tree.i],
          optionsPoint = (point && point.options) || {},
          childrenTotal = 0,
          children = [],
          value;
        extend(tree, {
          levelDynamic: tree.level - (levelIsConstant ? 0 : nodeRoot.level),
          name: pick(point && point.name, ""),
          visible:
            idRoot === tree.id ||
            (isBoolean(options.visible) ? options.visible : false),
        });
        if (isFn(before)) {
          tree = before(tree, options);
        }
        // First give the children some values
        tree.children.forEach(function (child, i) {
          var newOptions = extend({}, options);
          extend(newOptions, {
            index: i,
            siblings: tree.children.length,
            visible: tree.visible,
          });
          child = setTreeValues(child, newOptions);
          children.push(child);
          if (child.visible) {
            childrenTotal += child.val;
          }
        });
        tree.visible = childrenTotal > 0 || tree.visible;
        // Set the values
        value = pick(optionsPoint.value, childrenTotal);
        extend(tree, {
          children: children,
          childrenTotal: childrenTotal,
          isLeaf: tree.visible && !childrenTotal,
          val: value,
        });
        return tree;
      };
      /**
       * @private
       */
      var getColor = function getColor(node, options) {
        var index = options.index,
          mapOptionsToLevel = options.mapOptionsToLevel,
          parentColor = options.parentColor,
          parentColorIndex = options.parentColorIndex,
          series = options.series,
          colors = options.colors,
          siblings = options.siblings,
          points = series.points,
          getColorByPoint,
          chartOptionsChart = series.chart.options.chart,
          point,
          level,
          colorByPoint,
          colorIndexByPoint,
          color,
          colorIndex;
        /**
         * @private
         */
        function variation(color) {
          var colorVariation = level && level.colorVariation;
          if (colorVariation) {
            if (colorVariation.key === "brightness") {
              return H.color(color)
                .brighten(colorVariation.to * (index / siblings))
                .get();
            }
          }
          return color;
        }
        if (node) {
          point = points[node.i];
          level = mapOptionsToLevel[node.level] || {};
          getColorByPoint = point && level.colorByPoint;
          if (getColorByPoint) {
            colorIndexByPoint =
              point.index %
              (colors ? colors.length : chartOptionsChart.colorCount);
            colorByPoint = colors && colors[colorIndexByPoint];
          }
          // Select either point color, level color or inherited color.
          if (!series.chart.styledMode) {
            color = pick(
              point && point.options.color,
              level && level.color,
              colorByPoint,
              parentColor && variation(parentColor),
              series.color
            );
          }
          colorIndex = pick(
            point && point.options.colorIndex,
            level && level.colorIndex,
            colorIndexByPoint,
            parentColorIndex,
            options.colorIndex
          );
        }
        return {
          color: color,
          colorIndex: colorIndex,
        };
      };
      /**
       * Creates a map from level number to its given options.
       *
       * @private
       * @function getLevelOptions
       * @param {object} params
       *        Object containing parameters.
       *        - `defaults` Object containing default options. The default options
       *           are merged with the userOptions to get the final options for a
       *           specific level.
       *        - `from` The lowest level number.
       *        - `levels` User options from series.levels.
       *        - `to` The highest level number.
       * @return {Highcharts.Dictionary<object>|null}
       *         Returns a map from level number to its given options.
       */
      var getLevelOptions = function getLevelOptions(params) {
        var result = null,
          defaults,
          converted,
          i,
          from,
          to,
          levels;
        if (isObject(params)) {
          result = {};
          from = isNumber(params.from) ? params.from : 1;
          levels = params.levels;
          converted = {};
          defaults = isObject(params.defaults) ? params.defaults : {};
          if (isArray(levels)) {
            converted = levels.reduce(function (obj, item) {
              var level, levelIsConstant, options;
              if (isObject(item) && isNumber(item.level)) {
                options = merge({}, item);
                levelIsConstant = isBoolean(options.levelIsConstant)
                  ? options.levelIsConstant
                  : defaults.levelIsConstant;
                // Delete redundant properties.
                delete options.levelIsConstant;
                delete options.level;
                // Calculate which level these options apply to.
                level = item.level + (levelIsConstant ? 0 : from - 1);
                if (isObject(obj[level])) {
                  extend(obj[level], options);
                } else {
                  obj[level] = options;
                }
              }
              return obj;
            }, {});
          }
          to = isNumber(params.to) ? params.to : 1;
          for (i = 0; i <= to; i++) {
            result[i] = merge(
              {},
              defaults,
              isObject(converted[i]) ? converted[i] : {}
            );
          }
        }
        return result;
      };
      /**
       * Update the rootId property on the series. Also makes sure that it is
       * accessible to exporting.
       *
       * @private
       * @function updateRootId
       *
       * @param {object} series
       *        The series to operate on.
       *
       * @return {string}
       *         Returns the resulting rootId after update.
       */
      var updateRootId = function (series) {
        var rootId, options;
        if (isObject(series)) {
          // Get the series options.
          options = isObject(series.options) ? series.options : {};
          // Calculate the rootId.
          rootId = pick(series.rootNode, options.rootId, "");
          // Set rootId on series.userOptions to pick it up in exporting.
          if (isObject(series.userOptions)) {
            series.userOptions.rootId = rootId;
          }
          // Set rootId on series to pick it up on next update.
          series.rootNode = rootId;
        }
        return rootId;
      };
      var result = {
        getColor: getColor,
        getLevelOptions: getLevelOptions,
        setTreeValues: setTreeValues,
        updateRootId: updateRootId,
      };

      return result;
    }
  );
  _registerModule(
    _modules,
    "modules/broken-axis.src.js",
    [_modules["parts/Globals.js"], _modules["parts/Utilities.js"]],
    function (H, U) {
      /* *
       *
       *  (c) 2009-2019 Torstein Honsi
       *
       *  License: www.highcharts.com/license
       *
       *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
       *
       * */
      var extend = U.extend,
        isArray = U.isArray,
        pick = U.pick;
      var addEvent = H.addEvent,
        find = H.find,
        fireEvent = H.fireEvent,
        Axis = H.Axis,
        Series = H.Series;
      /**
       * Returns the first break found where the x is larger then break.from and
       * smaller then break.to.
       *
       * @param {number} x
       *        The number which should be within a break.
       * @param {Array<Highcharts.XAxisBreaksOptions>} breaks
       *        The array of breaks to search within.
       * @return {Highcharts.XAxisBreaksOptions|undefined}
       *         Returns the first break found that matches, returns false if no break
       *         is found.
       */
      var findBreakAt = function (x, breaks) {
        return find(breaks, function (b) {
          return b.from < x && x < b.to;
        });
      };
      extend(Axis.prototype, {
        isInBreak: function (brk, val) {
          var ret,
            repeat = brk.repeat || Infinity,
            from = brk.from,
            length = brk.to - brk.from,
            test =
              val >= from
                ? (val - from) % repeat
                : repeat - ((from - val) % repeat);
          if (!brk.inclusive) {
            ret = test < length && test !== 0;
          } else {
            ret = test <= length;
          }
          return ret;
        },
        isInAnyBreak: function (val, testKeep) {
          var breaks = this.options.breaks,
            i = breaks && breaks.length,
            inbrk,
            keep,
            ret;
          if (i) {
            while (i--) {
              if (this.isInBreak(breaks[i], val)) {
                inbrk = true;
                if (!keep) {
                  keep = pick(breaks[i].showPoints, !this.isXAxis);
                }
              }
            }
            if (inbrk && testKeep) {
              ret = inbrk && !keep;
            } else {
              ret = inbrk;
            }
          }
          return ret;
        },
      });
      /* eslint-disable no-invalid-this */
      addEvent(Axis, "afterInit", function () {
        if (typeof this.setBreaks === "function") {
          this.setBreaks(this.options.breaks, false);
        }
      });
      addEvent(Axis, "afterSetTickPositions", function () {
        if (this.isBroken) {
          var axis = this,
            tickPositions = this.tickPositions,
            info = this.tickPositions.info,
            newPositions = [],
            i;
          for (i = 0; i < tickPositions.length; i++) {
            if (!axis.isInAnyBreak(tickPositions[i])) {
              newPositions.push(tickPositions[i]);
            }
          }
          this.tickPositions = newPositions;
          this.tickPositions.info = info;
        }
      });
      // Force Axis to be not-ordinal when breaks are defined
      addEvent(Axis, "afterSetOptions", function () {
        if (this.isBroken) {
          this.options.ordinal = false;
        }
      });
      /**
       * Dynamically set or unset breaks in an axis. This function in lighter than
       * usin Axis.update, and it also preserves animation.
       *
       * @private
       * @function Highcharts.Axis#setBreaks
       *
       * @param {Array<Highcharts.XAxisBreaksOptions>} [breaks]
       *        The breaks to add. When `undefined` it removes existing breaks.
       *
       * @param {boolean} [redraw=true]
       *        Whether to redraw the chart immediately.
       *
       * @return {void}
       */
      Axis.prototype.setBreaks = function (breaks, redraw) {
        var axis = this,
          isBroken = isArray(breaks) && !!breaks.length;
        /* eslint-disable valid-jsdoc */
        /**
         * @private
         */
        function breakVal2Lin(val) {
          var nval = val,
            brk,
            i;
          for (i = 0; i < axis.breakArray.length; i++) {
            brk = axis.breakArray[i];
            if (brk.to <= val) {
              nval -= brk.len;
            } else if (brk.from >= val) {
              break;
            } else if (axis.isInBreak(brk, val)) {
              nval -= val - brk.from;
              break;
            }
          }
          return nval;
        }
        /**
         * @private
         */
        function breakLin2Val(val) {
          var nval = val,
            brk,
            i;
          for (i = 0; i < axis.breakArray.length; i++) {
            brk = axis.breakArray[i];
            if (brk.from >= nval) {
              break;
            } else if (brk.to < nval) {
              nval += brk.len;
            } else if (axis.isInBreak(brk, nval)) {
              nval += brk.len;
            }
          }
          return nval;
        }
        /* eslint-enable valid-jsdoc */
        axis.isDirty = axis.isBroken !== isBroken;
        axis.isBroken = isBroken;
        axis.options.breaks = axis.userOptions.breaks = breaks;
        axis.forceRedraw = true; // Force recalculation in setScale
        // Recalculate series related to the axis.
        axis.series.forEach(function (series) {
          series.isDirty = true;
        });
        if (!isBroken && axis.val2lin === breakVal2Lin) {
          // Revert to prototype functions
          delete axis.val2lin;
          delete axis.lin2val;
        }
        if (isBroken) {
          axis.userOptions.ordinal = false;
          axis.val2lin = breakVal2Lin;
          axis.lin2val = breakLin2Val;
          axis.setExtremes = function (
            newMin,
            newMax,
            redraw,
            animation,
            eventArguments
          ) {
            // If trying to set extremes inside a break, extend min to after,
            // and max to before the break ( #3857 )
            if (this.isBroken) {
              var axisBreak,
                breaks = this.options.breaks;
              while ((axisBreak = findBreakAt(newMin, breaks))) {
                newMin = axisBreak.to;
              }
              while ((axisBreak = findBreakAt(newMax, breaks))) {
                newMax = axisBreak.from;
              }
              // If both min and max is within the same break.
              if (newMax < newMin) {
                newMax = newMin;
              }
            }
            Axis.prototype.setExtremes.call(
              this,
              newMin,
              newMax,
              redraw,
              animation,
              eventArguments
            );
          };
          axis.setAxisTranslation = function (saveOld) {
            Axis.prototype.setAxisTranslation.call(this, saveOld);
            this.unitLength = null;
            if (this.isBroken) {
              var breaks = axis.options.breaks,
                // Temporary one:
                breakArrayT = [],
                breakArray = [],
                length = 0,
                inBrk,
                repeat,
                min = axis.userMin || axis.min,
                max = axis.userMax || axis.max,
                pointRangePadding = pick(axis.pointRangePadding, 0),
                start,
                i;
              // Min & max check (#4247)
              breaks.forEach(function (brk) {
                repeat = brk.repeat || Infinity;
                if (axis.isInBreak(brk, min)) {
                  min += (brk.to % repeat) - (min % repeat);
                }
                if (axis.isInBreak(brk, max)) {
                  max -= (max % repeat) - (brk.from % repeat);
                }
              });
              // Construct an array holding all breaks in the axis
              breaks.forEach(function (brk) {
                start = brk.from;
                repeat = brk.repeat || Infinity;
                while (start - repeat > min) {
                  start -= repeat;
                }
                while (start < min) {
                  start += repeat;
                }
                for (i = start; i < max; i += repeat) {
                  breakArrayT.push({
                    value: i,
                    move: "in",
                  });
                  breakArrayT.push({
                    value: i + (brk.to - brk.from),
                    move: "out",
                    size: brk.breakSize,
                  });
                }
              });
              breakArrayT.sort(function (a, b) {
                return a.value === b.value
                  ? (a.move === "in" ? 0 : 1) - (b.move === "in" ? 0 : 1)
                  : a.value - b.value;
              });
              // Simplify the breaks
              inBrk = 0;
              start = min;
              breakArrayT.forEach(function (brk) {
                inBrk += brk.move === "in" ? 1 : -1;
                if (inBrk === 1 && brk.move === "in") {
                  start = brk.value;
                }
                if (inBrk === 0) {
                  breakArray.push({
                    from: start,
                    to: brk.value,
                    len: brk.value - start - (brk.size || 0),
                  });
                  length += brk.value - start - (brk.size || 0);
                }
              });
              axis.breakArray = breakArray;
              // Used with staticScale, and below, the actual axis length when
              // breaks are substracted.
              axis.unitLength = max - min - length + pointRangePadding;
              fireEvent(axis, "afterBreaks");
              if (axis.staticScale) {
                axis.transA = axis.staticScale;
              } else if (axis.unitLength) {
                axis.transA *=
                  (max - axis.min + pointRangePadding) / axis.unitLength;
              }
              if (pointRangePadding) {
                axis.minPixelPadding = axis.transA * axis.minPointOffset;
              }
              axis.min = min;
              axis.max = max;
            }
          };
        }
        if (pick(redraw, true)) {
          this.chart.redraw();
        }
      };
      addEvent(Series, "afterGeneratePoints", function () {
        var _a = this,
          isDirty = _a.isDirty,
          connectNulls = _a.options.connectNulls,
          points = _a.points,
          xAxis = _a.xAxis,
          yAxis = _a.yAxis;
        /* Set, or reset visibility of the points. Axis.setBreaks marks the series
            as isDirty */
        if (isDirty) {
          var i = points.length;
          while (i--) {
            var point = points[i];
            // Respect nulls inside the break (#4275)
            var nullGap = point.y === null && connectNulls === false;
            var isPointInBreak =
              !nullGap &&
              ((xAxis && xAxis.isInAnyBreak(point.x, true)) ||
                (yAxis && yAxis.isInAnyBreak(point.y, true)));
            // Set point.visible if in any break.
            // If not in break, reset visible to original value.
            point.visible = isPointInBreak
              ? false
              : point.options.visible !== false;
          }
        }
      });
      addEvent(Series, "afterRender", function drawPointsWrapped() {
        this.drawBreaks(this.xAxis, ["x"]);
        this.drawBreaks(this.yAxis, pick(this.pointArrayMap, ["y"]));
      });
      /* eslint-enable no-invalid-this */
      H.Series.prototype.drawBreaks = function (axis, keys) {
        var series = this,
          points = series.points,
          breaks,
          threshold,
          eventName,
          y;
        if (!axis) {
          return; // #5950
        }
        keys.forEach(function (key) {
          breaks = axis.breakArray || [];
          threshold = axis.isXAxis
            ? axis.min
            : pick(series.options.threshold, axis.min);
          points.forEach(function (point) {
            y = pick(point["stack" + key.toUpperCase()], point[key]);
            breaks.forEach(function (brk) {
              eventName = false;
              if (
                (threshold < brk.from && y > brk.to) ||
                (threshold > brk.from && y < brk.from)
              ) {
                eventName = "pointBreak";
              } else if (
                (threshold < brk.from && y > brk.from && y < brk.to) ||
                (threshold > brk.from && y > brk.to && y < brk.from)
              ) {
                eventName = "pointInBreak";
              }
              if (eventName) {
                fireEvent(axis, eventName, { point: point, brk: brk });
              }
            });
          });
        });
      };
      /**
       * Extend getGraphPath by identifying gaps in the data so that we can draw a gap
       * in the line or area. This was moved from ordinal axis module to broken axis
       * module as of #5045.
       *
       * @private
       * @function Highcharts.Series#gappedPath
       *
       * @return {Highcharts.SVGPathArray}
       *         Gapped path
       */
      H.Series.prototype.gappedPath = function () {
        var currentDataGrouping = this.currentDataGrouping,
          groupingSize = currentDataGrouping && currentDataGrouping.gapSize,
          gapSize = this.options.gapSize,
          points = this.points.slice(),
          i = points.length - 1,
          yAxis = this.yAxis,
          stack;
        /**
         * Defines when to display a gap in the graph, together with the
         * [gapUnit](plotOptions.series.gapUnit) option.
         *
         * In case when `dataGrouping` is enabled, points can be grouped into a
         * larger time span. This can make the grouped points to have a greater
         * distance than the absolute value of `gapSize` property, which will result
         * in disappearing graph completely. To prevent this situation the mentioned
         * distance between grouped points is used instead of previously defined
         * `gapSize`.
         *
         * In practice, this option is most often used to visualize gaps in
         * time series. In a stock chart, intraday data is available for daytime
         * hours, while gaps will appear in nights and weekends.
         *
         * @see [gapUnit](plotOptions.series.gapUnit)
         * @see [xAxis.breaks](#xAxis.breaks)
         *
         * @sample {highstock} stock/plotoptions/series-gapsize/
         *         Setting the gap size to 2 introduces gaps for weekends in daily
         *         datasets.
         *
         * @type      {number}
         * @default   0
         * @product   highstock
         * @requires  modules/broken-axis
         * @apioption plotOptions.series.gapSize
         */
        /**
         * Together with [gapSize](plotOptions.series.gapSize), this option defines
         * where to draw gaps in the graph.
         *
         * When the `gapUnit` is `relative` (default), a gap size of 5 means
         * that if the distance between two points is greater than five times
         * that of the two closest points, the graph will be broken.
         *
         * When the `gapUnit` is `value`, the gap is based on absolute axis values,
         * which on a datetime axis is milliseconds. This also applies to the
         * navigator series that inherits gap options from the base series.
         *
         * @see [gapSize](plotOptions.series.gapSize)
         *
         * @type       {string}
         * @default    relative
         * @since      5.0.13
         * @product    highstock
         * @validvalue ["relative", "value"]
         * @requires   modules/broken-axis
         * @apioption  plotOptions.series.gapUnit
         */
        if (gapSize && i > 0) {
          // #5008
          // Gap unit is relative
          if (this.options.gapUnit !== "value") {
            gapSize *= this.basePointRange;
          }
          // Setting a new gapSize in case dataGrouping is enabled (#7686)
          if (
            groupingSize &&
            groupingSize > gapSize &&
            // Except when DG is forced (e.g. from other series)
            // and has lower granularity than actual points (#11351)
            groupingSize >= this.basePointRange
          ) {
            gapSize = groupingSize;
          }
          // extension for ordinal breaks
          var current = void 0,
            next = void 0;
          while (i--) {
            // Reassign next if it is not visible
            if (!(next && next.visible !== false)) {
              next = points[i + 1];
            }
            current = points[i];
            // Skip iteration if one of the points is not visible
            if (next.visible === false || current.visible === false) {
              continue;
            }
            if (next.x - current.x > gapSize) {
              var xRange = (current.x + next.x) / 2;
              points.splice(
                // insert after this one
                i + 1,
                0,
                {
                  isNull: true,
                  x: xRange,
                }
              );
              // For stacked chart generate empty stack items, #6546
              if (this.options.stacking) {
                stack = yAxis.stacks[this.stackKey][xRange] = new H.StackItem(
                  yAxis,
                  yAxis.options.stackLabels,
                  false,
                  xRange,
                  this.stack
                );
                stack.total = 0;
              }
            }
            // Assign current to next for the upcoming iteration
            next = current;
          }
        }
        // Call base method
        return this.getGraphPath(points);
      };
    }
  );
  _registerModule(
    _modules,
    "parts-gantt/TreeGrid.js",
    [
      _modules["parts/Globals.js"],
      _modules["parts/Utilities.js"],
      _modules["parts-gantt/Tree.js"],
      _modules["mixins/tree-series.js"],
    ],
    function (H, U, Tree, mixinTreeSeries) {
      /* *
       *
       *  (c) 2016 Highsoft AS
       *  Authors: Jon Arild Nygard
       *
       *  License: www.highcharts.com/license
       *
       *  !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
       *
       * */
      /* eslint no-console: 0 */
      var defined = U.defined,
        extend = U.extend,
        isNumber = U.isNumber,
        isString = U.isString,
        pick = U.pick,
        wrap = U.wrap;
      var addEvent = H.addEvent,
        argsToArray = function (args) {
          return Array.prototype.slice.call(args, 1);
        },
        find = H.find,
        fireEvent = H.fireEvent,
        getLevelOptions = mixinTreeSeries.getLevelOptions,
        merge = H.merge,
        isBoolean = function (x) {
          return typeof x === "boolean";
        },
        isObject = function (x) {
          // Always use strict mode.
          return U.isObject(x, true);
        },
        GridAxis = H.Axis,
        GridAxisTick = H.Tick;
      var override = function (obj, methods) {
        var method, func;
        for (method in methods) {
          if (Object.hasOwnProperty.call(methods, method)) {
            func = methods[method];
            wrap(obj, method, func);
          }
        }
      };
      var getBreakFromNode = function (node, max) {
        var from = node.collapseStart,
          to = node.collapseEnd;
        // In broken-axis, the axis.max is minimized until it is not within a break.
        // Therefore, if break.to is larger than axis.max, the axis.to should not
        // add the 0.5 axis.tickMarkOffset, to avoid adding a break larger than
        // axis.max
        // TODO consider simplifying broken-axis and this might solve itself
        if (to >= max) {
          from -= 0.5;
        }
        return {
          from: from,
          to: to,
          showPoints: false,
        };
      };
      /**
       * Creates a list of positions for the ticks on the axis. Filters out positions
       * that are outside min and max, or is inside an axis break.
       *
       * @private
       * @function getTickPositions
       *
       * @param {Highcharts.Axis} axis
       *        The Axis to get the tick positions from.
       *
       * @return {Array<number>}
       *         List of positions.
       */
      var getTickPositions = function (axis) {
        return Object.keys(axis.mapOfPosToGridNode).reduce(function (arr, key) {
          var pos = +key;
          if (axis.min <= pos && axis.max >= pos && !axis.isInAnyBreak(pos)) {
            arr.push(pos);
          }
          return arr;
        }, []);
      };
      /**
       * Check if a node is collapsed.
       *
       * @private
       * @function isCollapsed
       *
       * @param {Highcharts.Axis} axis
       *        The axis to check against.
       *
       * @param {object} node
       *        The node to check if is collapsed.
       *
       * @param {number} pos
       *        The tick position to collapse.
       *
       * @return {boolean}
       *         Returns true if collapsed, false if expanded.
       */
      var isCollapsed = function (axis, node) {
        var breaks = axis.options.breaks || [],
          obj = getBreakFromNode(node, axis.max);
        return breaks.some(function (b) {
          return b.from === obj.from && b.to === obj.to;
        });
      };
      /**
       * Calculates the new axis breaks to collapse a node.
       *
       * @private
       * @function collapse
       *
       * @param {Highcharts.Axis} axis
       *        The axis to check against.
       *
       * @param {object} node
       *        The node to collapse.
       *
       * @param {number} pos
       *        The tick position to collapse.
       *
       * @return {Array<object>}
       *         Returns an array of the new breaks for the axis.
       */
      var collapse = function (axis, node) {
        var breaks = axis.options.breaks || [],
          obj = getBreakFromNode(node, axis.max);
        breaks.push(obj);
        return breaks;
      };
      /**
       * Calculates the new axis breaks to expand a node.
       *
       * @private
       * @function expand
       *
       * @param {Highcharts.Axis} axis
       *        The axis to check against.
       *
       * @param {object} node
       *        The node to expand.
       *
       * @param {number} pos
       *        The tick position to expand.
       *
       * @return {Array<object>}
       *         Returns an array of the new breaks for the axis.
       */
      var expand = function (axis, node) {
        var breaks = axis.options.breaks || [],
          obj = getBreakFromNode(node, axis.max);
        // Remove the break from the axis breaks array.
        return breaks.reduce(function (arr, b) {
          if (b.to !== obj.to || b.from !== obj.from) {
            arr.push(b);
          }
          return arr;
        }, []);
      };
      /* eslint-disable valid-jsdoc */
      /**
       * Calculates the new axis breaks after toggling the collapse/expand state of a
       * node. If it is collapsed it will be expanded, and if it is exapended it will
       * be collapsed.
       *
       * @private
       * @function toggleCollapse
       *
       * @param {Highcharts.Axis} axis
       *        The axis to check against.
       *
       * @param {object} node
       *        The node to toggle.
       *
       * @return {Array<object>}
       *         Returns an array of the new breaks for the axis.
       */
      var toggleCollapse = function (axis, node) {
        return isCollapsed(axis, node)
          ? expand(axis, node)
          : collapse(axis, node);
      };
      var renderLabelIcon = function (tick, params) {
        var icon = tick.labelIcon,
          isNew = !icon,
          renderer = params.renderer,
          labelBox = params.xy,
          options = params.options,
          width = options.width,
          height = options.height,
          iconCenter = {
            x: labelBox.x - width / 2 - options.padding,
            y: labelBox.y - height / 2,
          },
          rotation = params.collapsed ? 90 : 180,
          shouldRender = params.show && isNumber(iconCenter.y);
        if (isNew) {
          tick.labelIcon = icon = renderer
            .path(
              renderer.symbols[options.type](
                options.x,
                options.y,
                width,
                height
              )
            )
            .addClass("highcharts-label-icon")
            .add(params.group);
        }
        // Set the new position, and show or hide
        if (!shouldRender) {
          icon.attr({ y: -9999 }); // #1338
        }
        // Presentational attributes
        if (!renderer.styledMode) {
          icon
            .attr({
              "stroke-width": 1,
              fill: pick(params.color, "#666666"),
            })
            .css({
              cursor: "pointer",
              stroke: options.lineColor,
              strokeWidth: options.lineWidth,
            });
        }
        // Update the icon positions
        icon[isNew ? "attr" : "animate"]({
          translateX: iconCenter.x,
          translateY: iconCenter.y,
          rotation: rotation,
        });
      };
      var onTickHover = function (label) {
        label.addClass("highcharts-treegrid-node-active");
        if (!label.renderer.styledMode) {
          label.css({
            textDecoration: "underline",
          });
        }
      };
      var onTickHoverExit = function (label, options) {
        var css = defined(options.style) ? options.style : {};
        label.removeClass("highcharts-treegrid-node-active");
        if (!label.renderer.styledMode) {
          label.css({
            textDecoration: css.textDecoration,
          });
        }
      };
      /**
       * Creates a tree structure of the data, and the treegrid. Calculates
       * categories, and y-values of points based on the tree.
       *
       * @private
       * @function getTreeGridFromData
       *
       * @param {Array<*>} data
       *        All the data points to display in the axis.
       *
       * @param {boolean} uniqueNames
       *        Wether or not the data node with the same name should share grid cell.
       *        If true they do share cell. False by default.
       *
       * @param {number} numberOfSeries
       *
       * @return {object}
       *         Returns an object containing categories, mapOfIdToNode,
       *         mapOfPosToGridNode, and tree.
       *
       * @todo There should be only one point per line.
       * @todo It should be optional to have one category per point, or merge cells
       * @todo Add unit-tests.
       */
      var getTreeGridFromData = function (data, uniqueNames, numberOfSeries) {
        var categories = [],
          collapsedNodes = [],
          mapOfIdToNode = {},
          mapOfPosToGridNode = {},
          posIterator = -1,
          uniqueNamesEnabled = isBoolean(uniqueNames) ? uniqueNames : false,
          tree,
          treeParams,
          updateYValuesAndTickPos;
        // Build the tree from the series data.
        treeParams = {
          // After the children has been created.
          after: function (node) {
            var gridNode = mapOfPosToGridNode[node.pos],
              height = 0,
              descendants = 0;
            gridNode.children.forEach(function (child) {
              descendants += child.descendants + 1;
              height = Math.max(child.height + 1, height);
            });
            gridNode.descendants = descendants;
            gridNode.height = height;
            if (gridNode.collapsed) {
              collapsedNodes.push(gridNode);
            }
          },
          // Before the children has been created.
          before: function (node) {
            var data = isObject(node.data) ? node.data : {},
              name = isString(data.name) ? data.name : "",
              parentNode = mapOfIdToNode[node.parent],
              parentGridNode = isObject(parentNode)
                ? mapOfPosToGridNode[parentNode.pos]
                : null,
              hasSameName = function (x) {
                return x.name === name;
              },
              gridNode,
              pos;
            // If not unique names, look for a sibling node with the same name.
            if (
              uniqueNamesEnabled &&
              isObject(parentGridNode) &&
              !!(gridNode = find(parentGridNode.children, hasSameName))
            ) {
              // If if there is a gridNode with the same name, reuse position.
              pos = gridNode.pos;
              // Add data node to list of nodes in the grid node.
              gridNode.nodes.push(node);
            } else {
              // If it is a new grid node, increment position.
              pos = posIterator++;
            }
            // Add new grid node to map.
            if (!mapOfPosToGridNode[pos]) {
              mapOfPosToGridNode[pos] = gridNode = {
                depth: parentGridNode ? parentGridNode.depth + 1 : 0,
                name: name,
                nodes: [node],
                children: [],
                pos: pos,
              };
              // If not root, then add name to categories.
              if (pos !== -1) {
                categories.push(name);
              }
              // Add name to list of children.
              if (isObject(parentGridNode)) {
                parentGridNode.children.push(gridNode);
              }
            }
            // Add data node to map
            if (isString(node.id)) {
              mapOfIdToNode[node.id] = node;
            }
            // If one of the points are collapsed, then start the grid node in
            // collapsed state.
            if (data.collapsed === true) {
              gridNode.collapsed = true;
            }
            // Assign pos to data node
            node.pos = pos;
          },
        };
        updateYValuesAndTickPos = function (map, numberOfSeries) {
          var setValues = function (gridNode, start, result) {
            var nodes = gridNode.nodes,
              end = start + (start === -1 ? 0 : numberOfSeries - 1),
              diff = (end - start) / 2,
              padding = 0.5,
              pos = start + diff;
            nodes.forEach(function (node) {
              var data = node.data;
              if (isObject(data)) {
                // Update point
                data.y = start + data.seriesIndex;
                // Remove the property once used
                delete data.seriesIndex;
              }
              node.pos = pos;
            });
            result[pos] = gridNode;
            gridNode.pos = pos;
            gridNode.tickmarkOffset = diff + padding;
            gridNode.collapseStart = end + padding;
            gridNode.children.forEach(function (child) {
              setValues(child, end + 1, result);
              end = child.collapseEnd - padding;
            });
            // Set collapseEnd to the end of the last child node.
            gridNode.collapseEnd = end + padding;
            return result;
          };
          return setValues(map["-1"], -1, {});
        };
        // Create tree from data
        tree = Tree.getTree(data, treeParams);
        // Update y values of data, and set calculate tick positions.
        mapOfPosToGridNode = updateYValuesAndTickPos(
          mapOfPosToGridNode,
          numberOfSeries
        );
        // Return the resulting data.
        return {
          categories: categories,
          mapOfIdToNode: mapOfIdToNode,
          mapOfPosToGridNode: mapOfPosToGridNode,
          collapsedNodes: collapsedNodes,
          tree: tree,
        };
      };
      /**
       * Builds the tree of categories and calculates its positions.
       * @private
       * @param {object} e Event object
       * @param {object} e.target The chart instance which the event was fired on.
       * @param {object[]} e.target.axes The axes of the chart.
       */
      var onBeforeRender = function (e) {
        var chart = e.target,
          axes = chart.axes;
        axes
          .filter(function (axis) {
            return axis.options.type === "treegrid";
          })
          .forEach(function (axis) {
            var options = axis.options || {},
              labelOptions = options.labels,
              removeFoundExtremesEvent,
              uniqueNames = options.uniqueNames,
              numberOfSeries = 0,
              isDirty,
              data,
              treeGrid;
            // Check whether any of series is rendering for the first time,
            // visibility has changed, or its data is dirty,
            // and only then update. #10570, #10580
            // Also check if mapOfPosToGridNode exists. #10887
            isDirty =
              !axis.mapOfPosToGridNode ||
              axis.series.some(function (series) {
                return (
                  !series.hasRendered || series.isDirtyData || series.isDirty
                );
              });
            if (isDirty) {
              // Concatenate data from all series assigned to this axis.
              data = axis.series.reduce(function (arr, s) {
                if (s.visible) {
                  // Push all data to array
                  s.options.data.forEach(function (data) {
                    if (isObject(data)) {
                      // Set series index on data. Removed again after
                      // use.
                      data.seriesIndex = numberOfSeries;
                      arr.push(data);
                    }
                  });
                  // Increment series index
                  if (uniqueNames === true) {
                    numberOfSeries++;
                  }
                }
                return arr;
              }, []);
              // setScale is fired after all the series is initialized,
              // which is an ideal time to update the axis.categories.
              treeGrid = getTreeGridFromData(
                data,
                uniqueNames,
                uniqueNames === true ? numberOfSeries : 1
              );
              // Assign values to the axis.
              axis.categories = treeGrid.categories;
              axis.mapOfPosToGridNode = treeGrid.mapOfPosToGridNode;
              axis.hasNames = true;
              axis.tree = treeGrid.tree;
              // Update yData now that we have calculated the y values
              axis.series.forEach(function (series) {
                var data = series.options.data.map(function (d) {
                  return isObject(d) ? merge(d) : d;
                });
                // Avoid destroying points when series is not visible
                if (series.visible) {
                  series.setData(data, false);
                }
              });
              // Calculate the label options for each level in the tree.
              axis.mapOptionsToLevel = getLevelOptions({
                defaults: labelOptions,
                from: 1,
                levels: labelOptions.levels,
                to: axis.tree.height,
              });
              // Collapse all the nodes belonging to a point where collapsed
              // equals true. Only do this on init.
              // Can be called from beforeRender, if getBreakFromNode removes
              // its dependency on axis.max.
              if (e.type === "beforeRender") {
                removeFoundExtremesEvent = H.addEvent(
                  axis,
                  "foundExtremes",
                  function () {
                    treeGrid.collapsedNodes.forEach(function (node) {
                      var breaks = collapse(axis, node);
                      axis.setBreaks(breaks, false);
                    });
                    removeFoundExtremesEvent();
                  }
                );
              }
            }
          });
      };
      override(GridAxis.prototype, {
        init: function (proceed, chart, userOptions) {
          var axis = this,
            isTreeGrid = userOptions.type === "treegrid";
          // Set default and forced options for TreeGrid
          if (isTreeGrid) {
            // Add event for updating the categories of a treegrid.
            // NOTE Preferably these events should be set on the axis.
            addEvent(chart, "beforeRender", onBeforeRender);
            addEvent(chart, "beforeRedraw", onBeforeRender);
            userOptions = merge(
              {
                // Default options
                grid: {
                  enabled: true,
                },
                // TODO: add support for align in treegrid.
                labels: {
                  align: "left",
                  /**
                   * Set options on specific levels in a tree grid axis. Takes
                   * precedence over labels options.
                   *
                   * @sample {gantt} gantt/treegrid-axis/labels-levels
                   *         Levels on TreeGrid Labels
                   *
                   * @type      {Array<*>}
                   * @product   gantt
                   * @apioption yAxis.labels.levels
                   *
                   * @private
                   */
                  levels: [
                    {
                      /**
                       * Specify the level which the options within this object
                       * applies to.
                       *
                       * @type      {number}
                       * @product   gantt
                       * @apioption yAxis.labels.levels.level
                       *
                       * @private
                       */
                      level: void 0,
                    },
                    {
                      level: 1,
                      /**
                       * @type      {Highcharts.CSSObject}
                       * @product   gantt
                       * @apioption yAxis.labels.levels.style
                       *
                       * @private
                       */
                      style: {
                        /** @ignore-option */
                        fontWeight: "bold",
                      },
                    },
                  ],
                  /**
                   * The symbol for the collapse and expand icon in a
                   * treegrid.
                   *
                   * @product      gantt
                   * @optionparent yAxis.labels.symbol
                   *
                   * @private
                   */
                  symbol: {
                    /**
                     * The symbol type. Points to a definition function in
                     * the `Highcharts.Renderer.symbols` collection.
                     *
                     * @type {Highcharts.SymbolKeyValue}
                     *
                     * @private
                     */
                    type: "triangle",
                    x: -5,
                    y: -5,
                    height: 10,
                    width: 10,
                    padding: 5,
                  },
                },
                uniqueNames: false,
              },
              userOptions,
              {
                // Forced options
                reversed: true,
                // grid.columns is not supported in treegrid
                grid: {
                  columns: void 0,
                },
              }
            );
          }
          // Now apply the original function with the original arguments,
          // which are sliced off this function's arguments
          proceed.apply(axis, [chart, userOptions]);
          if (isTreeGrid) {
            axis.hasNames = true;
            axis.options.showLastLabel = true;
          }
        },
        /**
         * Override to add indentation to axis.maxLabelDimensions.
         *
         * @private
         * @function Highcharts.GridAxis#getMaxLabelDimensions
         *
         * @param {Function} proceed
         *        The original function
         */
        getMaxLabelDimensions: function (proceed) {
          var axis = this,
            options = axis.options,
            labelOptions = options && options.labels,
            indentation =
              labelOptions && isNumber(labelOptions.indentation)
                ? options.labels.indentation
                : 0,
            retVal = proceed.apply(axis, argsToArray(arguments)),
            isTreeGrid = axis.options.type === "treegrid",
            treeDepth;
          if (isTreeGrid && this.mapOfPosToGridNode) {
            treeDepth = axis.mapOfPosToGridNode[-1].height;
            retVal.width += indentation * (treeDepth - 1);
          }
          return retVal;
        },
        /**
         * Generates a tick for initial positioning.
         *
         * @private
         * @function Highcharts.GridAxis#generateTick
         *
         * @param {Function} proceed
         *        The original generateTick function.
         *
         * @param {number} pos
         *        The tick position in axis values.
         */
        generateTick: function (proceed, pos) {
          var axis = this,
            mapOptionsToLevel = isObject(axis.mapOptionsToLevel)
              ? axis.mapOptionsToLevel
              : {},
            isTreeGrid = axis.options.type === "treegrid",
            ticks = axis.ticks,
            tick = ticks[pos],
            levelOptions,
            options,
            gridNode;
          if (isTreeGrid) {
            gridNode = axis.mapOfPosToGridNode[pos];
            levelOptions = mapOptionsToLevel[gridNode.depth];
            if (levelOptions) {
              options = {
                labels: levelOptions,
              };
            }
            if (!tick) {
              ticks[pos] = tick = new GridAxisTick(axis, pos, null, void 0, {
                category: gridNode.name,
                tickmarkOffset: gridNode.tickmarkOffset,
                options: options,
              });
            } else {
              // update labels depending on tick interval
              tick.parameters.category = gridNode.name;
              tick.options = options;
              tick.addLabel();
            }
          } else {
            proceed.apply(axis, argsToArray(arguments));
          }
        },
        /**
         * Set the tick positions, tickInterval, axis min and max.
         *
         * @private
         * @function Highcharts.GridAxis#setTickInterval
         *
         * @param {Function} proceed
         *        The original setTickInterval function.
         */
        setTickInterval: function (proceed) {
          var axis = this,
            options = axis.options,
            isTreeGrid = options.type === "treegrid";
          if (isTreeGrid) {
            axis.min = pick(axis.userMin, options.min, axis.dataMin);
            axis.max = pick(axis.userMax, options.max, axis.dataMax);
            fireEvent(axis, "foundExtremes");
            // setAxisTranslation modifies the min and max according to
            // axis breaks.
            axis.setAxisTranslation(true);
            axis.tickmarkOffset = 0.5;
            axis.tickInterval = 1;
            axis.tickPositions = this.mapOfPosToGridNode
              ? getTickPositions(axis)
              : [];
          } else {
            proceed.apply(axis, argsToArray(arguments));
          }
        },
      });
      override(GridAxisTick.prototype, {
        getLabelPosition: function (
          proceed,
          x,
          y,
          label,
          horiz,
          labelOptions,
          tickmarkOffset,
          index,
          step
        ) {
          var tick = this,
            lbOptions = pick(tick.options && tick.options.labels, labelOptions),
            pos = tick.pos,
            axis = tick.axis,
            options = axis.options,
            isTreeGrid = options.type === "treegrid",
            result = proceed.apply(tick, [
              x,
              y,
              label,
              horiz,
              lbOptions,
              tickmarkOffset,
              index,
              step,
            ]),
            symbolOptions,
            indentation,
            mapOfPosToGridNode,
            node,
            level;
          if (isTreeGrid) {
            symbolOptions =
              lbOptions && isObject(lbOptions.symbol) ? lbOptions.symbol : {};
            indentation =
              lbOptions && isNumber(lbOptions.indentation)
                ? lbOptions.indentation
                : 0;
            mapOfPosToGridNode = axis.mapOfPosToGridNode;
            node = mapOfPosToGridNode && mapOfPosToGridNode[pos];
            level = (node && node.depth) || 1;
            result.x +=
              // Add space for symbols
              symbolOptions.width +
              symbolOptions.padding * 2 +
              // Apply indentation
              (level - 1) * indentation;
          }
          return result;
        },
        renderLabel: function (proceed) {
          var tick = this,
            pos = tick.pos,
            axis = tick.axis,
            label = tick.label,
            mapOfPosToGridNode = axis.mapOfPosToGridNode,
            options = axis.options,
            labelOptions = pick(
              tick.options && tick.options.labels,
              options && options.labels
            ),
            symbolOptions =
              labelOptions && isObject(labelOptions.symbol)
                ? labelOptions.symbol
                : {},
            node = mapOfPosToGridNode && mapOfPosToGridNode[pos],
            level = node && node.depth,
            isTreeGrid = options.type === "treegrid",
            hasLabel = !!(label && label.element),
            shouldRender = axis.tickPositions.indexOf(pos) > -1,
            prefixClassName = "highcharts-treegrid-node-",
            collapsed,
            addClassName,
            removeClassName,
            styledMode = axis.chart.styledMode;
          if (isTreeGrid && node) {
            // Add class name for hierarchical styling.
            if (hasLabel) {
              label.addClass(prefixClassName + "level-" + level);
            }
          }
          proceed.apply(tick, argsToArray(arguments));
          if (isTreeGrid && node && hasLabel && node.descendants > 0) {
            collapsed = isCollapsed(axis, node);
            renderLabelIcon(tick, {
              color: !styledMode && label.styles.color,
              collapsed: collapsed,
              group: label.parentGroup,
              options: symbolOptions,
              renderer: label.renderer,
              show: shouldRender,
              xy: label.xy,
            });
            // Add class name for the node.
            addClassName =
              prefixClassName + (collapsed ? "collapsed" : "expanded");
            removeClassName =
              prefixClassName + (collapsed ? "expanded" : "collapsed");
            label.addClass(addClassName).removeClass(removeClassName);
            if (!styledMode) {
              label.css({
                cursor: "pointer",
              });
            }
            // Add events to both label text and icon
            [label, tick.labelIcon].forEach(function (object) {
              if (!object.attachedTreeGridEvents) {
                // On hover
                H.addEvent(object.element, "mouseover", function () {
                  onTickHover(label);
                });
                // On hover out
                H.addEvent(object.element, "mouseout", function () {
                  onTickHoverExit(label, labelOptions);
                });
                H.addEvent(object.element, "click", function () {
                  tick.toggleCollapse();
                });
                object.attachedTreeGridEvents = true;
              }
            });
          }
        },
      });
      extend(
        GridAxisTick.prototype,
        /** @lends Highcharts.Tick.prototype */ {
          /**
           * Collapse the grid cell. Used when axis is of type treegrid.
           *
           * @see gantt/treegrid-axis/collapsed-dynamically/demo.js
           *
           * @private
           * @function Highcharts.Tick#collapse
           *
           * @param {boolean} [redraw=true]
           *        Whether to redraw the chart or wait for an explicit call to
           *        {@link Highcharts.Chart#redraw}
           */
          collapse: function (redraw) {
            var tick = this,
              axis = tick.axis,
              pos = tick.pos,
              node = axis.mapOfPosToGridNode[pos],
              breaks = collapse(axis, node);
            axis.setBreaks(breaks, pick(redraw, true));
          },
          /**
           * Expand the grid cell. Used when axis is of type treegrid.
           *
           * @see gantt/treegrid-axis/collapsed-dynamically/demo.js
           *
           * @private
           * @function Highcharts.Tick#expand
           *
           * @param {boolean} [redraw=true]
           *        Whether to redraw the chart or wait for an explicit call to
           *        {@link Highcharts.Chart#redraw}
           */
          expand: function (redraw) {
            var tick = this,
              axis = tick.axis,
              pos = tick.pos,
              node = axis.mapOfPosToGridNode[pos],
              breaks = expand(axis, node);
            axis.setBreaks(breaks, pick(redraw, true));
          },
          /**
           * Toggle the collapse/expand state of the grid cell. Used when axis is of
           * type treegrid.
           *
           * @see gantt/treegrid-axis/collapsed-dynamically/demo.js
           *
           * @private
           * @function Highcharts.Tick#toggleCollapse
           *
           * @param {boolean} [redraw=true]
           *        Whether to redraw the chart or wait for an explicit call to
           *        {@link Highcharts.Chart#redraw}
           */
          toggleCollapse: function (redraw) {
            var tick = this,
              axis = tick.axis,
              pos = tick.pos,
              node = axis.mapOfPosToGridNode[pos],
              breaks = toggleCollapse(axis, node);
            axis.setBreaks(breaks, pick(redraw, true));
          },
        }
      );
      // Make utility functions available for testing.
      GridAxis.prototype.utils = {
        getNode: Tree.getNode,
      };
    }
  );
  _registerModule(
    _modules,
    "masters/modules/treegrid.src.js",
    [],
    function () {}
  );
});
